Description
A-B 1756-RM2 redundant module DCS system controller
1756-RM2
Designed for applications across diverse industries, from automotive manufacturing and energy production to pharmaceutical processing, the ROCKWELL 1756-RM2 plays a pivotal role in maintaining process continuity. In a large-scale automotive assembly plant, for example, where hundreds of automated machines rely on a stable control network, the 1756-RM2 ensures that any malfunction in the primary controller or network connection doesn’t bring the entire production line to a halt. By integrating with ControlLogix chassis, it enables the implementation of dual-controller redundancy setups, allowing industrial operators to achieve higher levels of system availability and reliability. This module is not just a component; it’s an essential enabler for businesses aiming to minimize downtime, reduce losses, and enhance overall operational efficiency in their automation ecosystems.
| Label |
Specification |
| Model Number |
1756-RM2 |
| Brand |
ROCKWELL |
| Type |
Redundancy Module (ControlLogix series) |
| Supported Controllers |
Works with ControlLogix 5570, 5571, 5572, 5573, 5574, 5576 series controllers |
| Redundancy Type |
Hot standby redundancy for controllers and networks |
| Communication |
Utilizes ControlNet or EtherNet/IP for redundancy messaging |
| Input Voltage |
Powered by ControlLogix backplane (24 VDC) |
| Switchover Time |
< 50 milliseconds |
| Operating Temp |
0°C to 60°C (32°F to 140°F) |
| Dimensions |
171.45 mm (H) x 44.45 mm (W) x 111.125 mm (D) |
| Certifications |
CE, UL, cUL, ATEX (hazardous area compliance available) |
| Mounting |
Installs directly into ControlLogix chassis |
1756-RM2
The ROCKWELL 1756-RM2 boasts several functional strengths that set it apart in the industrial automation market. Its most notable feature is the ultra-fast switchover time of less than 50 milliseconds. In industrial settings where every second counts, this rapid transition from a failing primary system to a backup ensures that processes continue without significant disruption. For instance, in a power generation plant, where continuous control of turbines and generators is crucial, the 1756-RM2 can prevent power outages by quickly activating the standby controller.
The module’s compatibility with a wide range of ControlLogix controllers offers unparalleled flexibility. Whether upgrading an existing system or building a new automation infrastructure, industrial engineers can seamlessly integrate the 1756-RM2 into their setups. It supports both ControlNet and EtherNet/IP protocols for redundancy messaging, allowing for easy integration with different network architectures. This interoperability reduces the complexity of system design and ensures that the module can adapt to various industrial communication standards.
1756-RM2
From a design perspective, the 1756-RM2 is built to withstand the rigors of industrial environments. Its rugged construction protects it from temperature fluctuations, vibrations, and electrical interference commonly found in factories and plants. The straightforward installation process, which involves mounting it directly into the ControlLogix chassis, minimizes the time and effort required for deployment. Additionally, the module’s compact form factor doesn’t compromise on functionality, enabling efficient use of space within control cabinets. Operators also benefit from its intuitive configuration through Rockwell’s Studio 5000 software, which simplifies the setup of redundancy pairs and monitoring of system health.
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